Philosophical essaysauthor, 1766 - 525 Seiten |
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Seite iv
... Bodies , and which he had in his Optics and elsewhere defcribed . This , I thought , I might very fafely affert ; ince I was able to demonftrate from the moft convincing facts , that it exifted in the pores of of grofs Bodies , and was ...
... Bodies , and which he had in his Optics and elsewhere defcribed . This , I thought , I might very fafely affert ; ince I was able to demonftrate from the moft convincing facts , that it exifted in the pores of of grofs Bodies , and was ...
Seite 2
... felf , being deriv'd from Electron , which is the Greek Name for Amber . 7. The Ancients , fome thousand Years ago , were not unacquainted with that Property in Amber Amber of attracting light Bodies Bodies after- rubbing it ; ( 2 ) PART I.
... felf , being deriv'd from Electron , which is the Greek Name for Amber . 7. The Ancients , fome thousand Years ago , were not unacquainted with that Property in Amber Amber of attracting light Bodies Bodies after- rubbing it ; ( 2 ) PART I.
Seite 3
... Bodies into the Earth ; and more particularly from not knowing that all fuch Bodies , which are now call'd Electrics per fe , were the only Bodies which could prevent fuch Escape . 9 . Of Bodies which are endu'd with this Quality ...
... Bodies into the Earth ; and more particularly from not knowing that all fuch Bodies , which are now call'd Electrics per fe , were the only Bodies which could prevent fuch Escape . 9 . Of Bodies which are endu'd with this Quality ...
Seite 4
... Bodies , did not convey the electric Matter to other Bodies , nor fuffer it to escape thro ' them like Metals , Water , Animals , and some others , and confequently if he fupported the latter with the former , he might convey it to ...
... Bodies , did not convey the electric Matter to other Bodies , nor fuffer it to escape thro ' them like Metals , Water , Animals , and some others , and confequently if he fupported the latter with the former , he might convey it to ...
Seite 5
... Bodies . 14. He afterwards discover'd that more commodious method of electrifing a Perfon , viz . By setting him on a Cake of Refin , Glafs , or any other electrical Substance , and that it was equally the fame as fupporting him with ...
... Bodies . 14. He afterwards discover'd that more commodious method of electrifing a Perfon , viz . By setting him on a Cake of Refin , Glafs , or any other electrical Substance , and that it was equally the fame as fupporting him with ...
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Æther affert againſt Agent alfo almoſt alſo appears Atmoſphere Attraction attrition becauſe cafe caufe cauſe common Air confequently confiderable degree demonftrated diſcover'd diſcovery diſtance ditto eafily Earth effects elaftic elaſtic electrical Fluid electrifed eſcape exifts exiſtence Experiments fame feems feveral fhall fhew fhould fide filk fince Fire firft firſt folar folid fome foon force fubtile Medium fuch fufficient fuppofe furface glafs glaſs Gravity greateſt grofs Bodies hath Heat himſelf illuftrate Inches increaſe inftance Inftrument interfect itſelf lefs light Longitude magnetic Pole matter means Meridian moft moſt motion muft muſt natural neceffary Needle obferved paffing particles Perfon Phænomena Phænomenon Phial Philofophy phyfical Pneuma poffibly pofition pores prefent preffure Principle prove Rays reafon refiftance ſhall Sir Ifaac Newton ſmall ſpace ſtate thefe themſelves theſe thing thofe thoſe thro tion tricity Tube univerfal uſe vacuum Variation Weft wire Worceſter Worcestershire
Beliebte Passagen
Seite 147 - This kite is to be raised when a thunder-gust appears to be coming on, and the person who holds the string must stand within a door or window, or under some cover, so that the silk...
Seite 37 - ... all sensation is excited, and the members of animal bodies move at the command of the will, namely, by the vibrations of this spirit, mutually propagated along the solid filaments of the nerves, from the outward organs of sense to the brain, and from the brain into the muscles.
Seite 37 - And now we might add something concerning a certain most subtle Spirit which pervades and lies hid in all gross bodies: by the force and action of which Spirit the particles of bodies mutually attract one another at near distances, and cohere, if contiguous...
Seite 147 - As soon as any of the thunder-clouds come over the kite the pointed wire will draw the electric fire from them, and the kite, with all the twine, will be electrified, and the loose filaments of the twine will stand out every way and be attracted by an approaching finger.
Seite 395 - ... the nature of things depending on them would be changed. Water and earth composed of old worn particles and fragments of particles would not be of the same nature and texture now with water and earth composed of entire particles in the beginning.
Seite 256 - ... which philosophy seems chiefly to be founded on; such as the density and the resistance of bodies, spaces void of all bodies, and the motion of light and sounds. It remains that, from the same principles, I now demonstrate the frame of the System of the World.
Seite 21 - The qualities of bodies, which admit neither intensification nor remission of degrees, and which are found to belong to all bodies within the reach of our experiments, are to be esteemed the universal qualities of all bodies whatsoever.
Seite 147 - To the top of the upright stick of the cross is to be fixed a very sharp-pointed wire, rising a foot or more above the wood. To the end of the twine next the hand is to be tied a silk ribbon, and where the silk and twine join a key may be fastened.
Seite 139 - I wish we could derive the rest of the phenomena of nature by the same kind of reasoning from mechanical principles; for I am induced by many reasons to suspect that they may all depend upon certain forces by which the particles of bodies, by some causes hitherto unknown, are either mutually impelled towards each other, and cohere in regular figures, or are repelled and recede from each other...
Seite 71 - Body, and to be expanded through a Sphere, whose diameter is above two Feet, and yet to be able to agitate and carry up Leaf Copper, or Leaf Gold, at the distance of above a Foot from the electrick Body...